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Q1. The idea of cache memory is based
(A) On the property of locality of reference
(B) On the heuristic 90-10 rule
(C) On the fact that references generally tend to cluster
(D) All of the above
Answer: (A) On the property of locality of reference
Q2. A-Flip Flop can be converted into T-Flip Flop by using additional logic circuit
(A) n TQD =•
(B) T D =
(C) D = T . Q n
(D) n TQD =?
Answer: (D) n TQD =?
Q3. MRI indicates
(A) Memory Reference Information
(B) Memory Reference Instruction
(C) Memory Registers Instruction
(D) Memory Register information
Answer: (B) Memory Reference Instruction
Q4. A register capable of shifting its binary information either to the right or the left is called a
(A) Parallel register
(B) Serial register
(C) Shift register
(D) Storage register
Answer: (C) Shift register
Q5. A successive A/D converter is
(A) A high-speed converter
(B) A low speed converter
(C) A medium speed converter
(D) None of these
Answer: (C) A medium speed converter
Q6. In computers, subtraction is generally carried out by __.
(A) 9’s complement
(B) 10’s complement
(C) 1’s complement
(D) 2’s complement
Answer: (D) 2’s complement
Q7. ‘Aging registers’ are __.
(A) Counters which indicate how long ago their associated pages have been referenced
(B) Registers which keep track of when the program was last accessed
(C) Counters to keep track of last accessed instruction
(D) Counters to keep track of the latest data structures referred
Answer: (A) Counters which indicate how long ago their associated pages have been referenced
Q8. Which of the following is lowest in memory hierarchy?
(A) Cache memory
(B) Secondary memory
(C) Registers
(D) RAM
Answer: (B) Secondary memory
Q9. Logic X-OR operation of (4ACO) H & (B53F) H results
(A) AACB
(B) 0000
(C) FFFF
(D) ABCD
Answer: (C) FFFF
Q10. Self-contained sequence of instructions that performs a given computational task is called
(A) Function
(B) Procedure
(C) Subroutine
(D) Routine
Answer: (A) Function
Q11. What is the content of Stack Pointer (SP)?
(A) Address of the current instruction
(B) Address of the next instruction
(C) Address of the top element of the stack
(D) Size of the stack
Answer: (C) Address of the top element of the stack
Q12. When necessary, the results are transferred from the CPU to main memory by
(A) I/O devices
(B) CPU
(C) Shift registers
(D) None of these
Answer: (C) Shift registers
Q13. Assembly language __.
(A) Uses alphabetic codes in place of binary numbers used in machine language
(B) Is the easiest language to write programs
(C) Need not be translated into machine language
(D) None of these
Answer: (A) Uses alphabetic codes in place of binary numbers used in machine language
Q14. Memory unit accessed by content is called________.
(A) Read only memory
(B) Programmable Memory
(C) Virtual Memory
(D) Associative Memory
Answer:(D) Associative Memory
Q15. The addressing mode used in an instruction of the form ADD XY, is
(A) Absolute
(B) Indirect
(C) Index
(D) None of these
Answer: (C) Index
Computer Organization and Architecture MCQ – All Set
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